91251-ZW1-B03 Seal (23X36X6) - Overview. The 91251-ZW1-B03 Seal (23X36X6) is a crucial component in Honda marine water pump systems. This OEM seal supports the water system by preventing leaks and contaminants from entering the internal parts of the marine engine. Its precise dimensions (23x36x6) make it essential for maintaining the integrity and reliable operation of your water pump.. Key Features. Genuine Honda OEM seal specifically sized 23x36x6 mm.. Designed to prevent water and contaminant ingress into engine components.. Ensures seamless integration with existing marine engine hardware.. Manufactured to meet or exceed factory specifications for perfect fit and performance.. Maintains optimal durability and system reliability under marine conditions.. Supports efficient water flow within the cooling or sealing system.. Why Choose Genuine OEM. Using original Honda parts like the 91251-ZW1-B03 Seal helps maintain the integrity of your marine engine system. OEM seals preserve the ex